他往土里搀沙子以提高渗水性能。
这种黄棕色的黏性土壤渗水性好。
织物渗水性能(即耐静水压指标)是防水织物的重要指标之一。
Water permeability, that is, hydrostatic pressure, is an important index of waterproof fabric.
研究表明，天然土渗水性是如此之高，以致于起不到明显的隔水效果。
The study shows that natural soil types have such a high infiltration capacity, that no significant sealing effects are obtained.
考虑集料对沥青的吸收，用混合料的设计空隙率（4％）控制混合料的高温抗车辙能力与渗水性。
Taken into account the fact that aggregates absorb pitch, required abilities to resist high temperature track and penetration could be gained by controlling interspace ratio (4%).
泥页岩比表面积与泥页岩水化特性、力学性质以及渗水性密切相关，是评价泥页岩井壁稳定性的关键参数。
The specific surface area is closely related to shale waterize property, property of mechanics and weeping property. It is a key factor for evaluating borehole stability of mud shale.
泥页岩比表面积与泥页岩水化特性、力学性质以及渗水性密切相关，是评价泥页岩井壁稳定性的关键参数。
The specific surface area is closely related to shale waterize property, property of mechanics and weeping property. It is a key factor for evaluating borehole stability of mud shale.
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